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1/357. Cutaneous mycobacterium kansasii infection in a patient with systemic lupus erythematosus: case report and review.

    mycobacterium kansasii infections of the skin have been described in 31 previously published cases. The median age of these patients is 43 years, and male patients are more frequently affected than female patients. Most patients (72%) with this infection have some alteration of their immune status, but disseminated infection is relatively uncommon (22%). We present the first reported case of cutaneous M. kansasii infection in a patient with previously diagnosed systemic lupus erythematosus. The clinical presentation is similar to that expected in lupus profundus. While the duration of treatment is long (18 months), this case demonstrates that rifampin combined with at least 2 other antibiotics can provide excellent results. clarithromycin has demonstrated encouraging in vitro results against M. kansasii but has not yet been reported for treatment of cutaneous infections.
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2/357. Hemophilus influenzae biotype III cellulitis in an adult.

    The case of a patient with systemic lupus erythematosus presenting with severe leg cellulitis caused by Hemophilus influenzae non-B biotype III is reported. skin infections caused by H. influenzae in general, and of the extremities in particular, seem to be rare in adults. This is the first reported case of cellulitis caused by H. influenzae biotype III. The infection was treated successfully with antibiotics. This case highlights the importance of blood cultures and prompt antimicrobial treatment in febrile adults with cellulitis, especially immunocompromised patients.
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3/357. Circulating levels of beta-chemokines in systemic lupus erythematosus.

    OBJECTIVE: Recent evidence suggests the role of beta-chemokines and their receptors in human immunodeficiency virus infection. We examined the serum levels of beta-chemokines in patients with systemic lupus erythematosus (SLE). methods: The serum levels of beta-chemokines, macrophage inflammatory protein-1alpha (MIP-1alpha), MIP-1beta, RANTES, and monocyte chemoattractant protein-1 (MCP-1) in patients with SLE were determined by ELISA. RESULTS: There were significant differences between the patients with SLE and healthy controls in the serum concentrations of RANTES (p < 0.001) and MCP-1 (p < 0.01), but not MIP-1alpha (p = 0.07) and MIP-1beta (p = 0.68). A decrease of RANTES and an increase of MCP-1 was observed with the progression of disease activity in the patients with SLE. CONCLUSION: Changes in the serum levels of RANTES and MCP-1 may indicate an interaction between SLE disease activity and the production of beta-chemokines.
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4/357. Systemic lupus erythematosus complicated by necrotizing fasciitis.

    A case of necrotizing fasciitis (NF) is described in a 46-year-old woman with recent onset systemic lupus erythematosus (SLE). Deep-tissue infections are more common in SLE patients on high-dose corticosteroids, but, to our knowledge, this is the second case described in association with SLE. Although NF may initially be difficult to diagnose, the presence of marked systemic symptoms out of proportion to the local findings should suggest the correct diagnosis. NF diagnostic criteria, treatment and prognosis are discussed.
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5/357. Primary subcutaneous nocardial infection in a SLE patient.

    A patient with systemic lupus erythematosus (SLE) developed primary subcutaneous nocardiosis during steroid and cyclophosphamide therapy for diffuse proliferative glomerulonephritis. In spite of local process the patient manifested signs of general deterioration mimicking SLE exacerbation. The diagnosis was made by bacteriologic examination of the material obtained by CT guided aspiration. Surgical drainage and systemic treatment with trimethoprim/sulphamethoxazole (TMT/SMZ) 960 mg twice/d led to a clinical recovery and enabled the continuation of the steroid and cytotoxic regimen.
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6/357. The spectrum of reactive hemophagocytic syndrome in systemic lupus erythematosus.

    We address the relationship between reactive hemophagocytic syndrome (RHS), systemic lupus erythematosus (SLE) activity, and treatment in 4 female patients with SLE. Febrile pancytopenia was related to cytologically proven RHS in all patients. Followup was 45 /-7 months from RHS onset. No causal infection could be identified. Outcome could be classified as: (1) RHS onset during a SLE flare and complete efficacy of high dose steroids; (2) death despite therapy for concomitant severe RHS and active SLE; (3) severe RHS in inactive SLE under immunosuppressants, with remission after steroid tapering and cyclophosphamide withdrawal. Three patients were treated with intravenous IgG. We conclude that (1) when SLE is active, RHS should be considered a specific manifestation and treated with steroids; (2) RHS occurring in otherwise inactive SLE might be related to iatrogenic immunosuppression; (3) intravenous IgG treatment might be indicated in both situations.
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7/357. Systemic lupus erythematosus-associated catastrophic antiphospholipid syndrome occurring after typhoid fever: a possible role of Salmonella lipopolysaccharide in the occurrence of diffuse vasculopathy-coagulopathy.

    We report a case of well-documented typhoid fever in a 30-year-old woman with inactive systemic lupus erythematosus with asymptomatic lupus anticoagulant and high-titer anticardiolipin antibody (aCL). Despite prompt eradication of the salmonella typhi obtained with appropriate antibiotic therapy, multiple organ system dysfunction occurred. The central nervous system was involved, with ischemic infarcts in the occipital lobes. High-dose corticosteroid therapy failed to improve the neurologic manifestations, which responded to repeated plasmapheresis. A sharp fall in aCL and anti-beta2-glycoprotein I antibody titers was recorded before the start of plasmapheresis. At the same time, IgM and IgG antibodies to Salmonella group O:9 lipopolysaccharide became detectable; the IgM antibodies disappeared within 4 months, whereas the IgG antibodies remained detectable during the next 13 months. Despite treatment with high-dose corticosteroids and cyclophosphamide, rapidly progressive glomerulonephritis developed, leading to chronic renal failure. There is convincing evidence of a link between the S. typhi infection and the ensuing catastrophic syndrome in this patient, probably precipitated by bacterial antigens.
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8/357. parvovirus infection mimicking systemic lupus erythematosus in a pediatric population.

    OBJECTIVES: To assess the striking similarities of presentation in a pediatric population between human parvovirus B19 (HPV-B19) infection and systemic lupus erythematous (SLE). methods: medical records of seven patients (ages 6 to 15) with HPV-B19 infection were reviewed retrospectively. RESULTS: Six of seven cases presented with a history of malar rash, and all seven had prolonged arthralgias and fatigue. Six of seven had a positive antinuclear antibody (ANA) titer ranging from 1:40 to greater than 1:640, with two patients having antibodies to Scl-70 and others to Sm, RNP, SS-A (Ro), or SS-B (La). The erythrocyte sedimentation rate (ESR) varied from 2 to 68 mm/h. Two patients presented with elevated rheumatoid factor (RF) titers of 24 and 271 IU/mL, respectively. All had elevated IgM antibody levels to parvovirus at the onset, and markedly elevated IgG levels when evaluated throughout their disease course. Over the course of 2 to 3 months, three improved, but the other four continued to have symptomatology for 14, 40, 78, and 120 weeks, respectively. Treatment was symptomatic, and no one developed classic SLE. CONCLUSIONS: HPV-B19 infection in a pediatric patient group may present with SLE-like symptomatology and positive serology suggestive of SLE. The course of the disease is usually self-limited, though it may be prolonged in some for up to 120 weeks.
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keywords = infection
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9/357. Human parvovirus B19 infection: its relationship with systemic lupus erythematosus.

    OBJECTIVES: The clinical presentation and outcome of four cases of human parvovirus-B19 (HPV-B19) infection, initially diagnosed as systemic lupus erythematosus (SLE), were reviewed and compared with similar cases previously reported in the literature. The relationship between HPV-B19 infection and SLE is discussed. methods: The medical records of four patients with documented HPV-B19 infection, initially diagnosed as SLE, were reviewed and studied in detail. A medline search from 1985 to 1997 was performed to identify other cases reported in the literature in which a relationship between HPV-B19 and SLE had been identified in both adults and children. RESULTS: In all of our cases, the clinical findings (fever, rash, arthritis and malaise) and hematologic data (leukopenia, thrombocytopenia, anemia, presence of autoantibodies, hypocomplementemia, etc.) had initially suggested a diagnosis of juvenile SLE. Subsequently, evidence of HPV-B19 infection at the time of clinical presentation was ascertained. In three of these cases, the disease course was self-limiting with complete clinical remission and normalization of hematologic abnormalities within 18 months; one case, however, had persistent disease activity and repeated exacerbations. CONCLUSIONS: The occurrence of HPV-B19 infection has been documented in patients with SLE, in particular in relation to disease onset. Similarities in clinical and immunological features of viral infections and SLE at presentation may hinder the differential diagnosis between these two conditions. The family history, a self-limiting disease course and certain disease specific clinical aspects may help the pediatrician formulate an accurate diagnosis. In our patients, HPV-B19 infection may have mimicked the onset of SLE in three cases, but triggered the disease in one.
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10/357. Significance of serum c-reactive protein elevation in patients with systemic lupus erythematosus.

    serum c-reactive protein (CRP) concentration was determined by a radial immunodiffusion method in serum samples collected over a mean period of 19 months from a group of 17 patients with systemic lupus erythematosus (SLE). Thirty-two episodes of CRP elevation were detected. Twenty of these were associated with active SLE, and 9 with proven or possible infection or bone fracture. In 3 cases no explanation for CRP elevation was readily apparent. There were 8 instances of onset or exacerbation of lupus activity without accompanying CRP elevation. These data indicate that CRP elevation in the course of SLE is frequently associated with activation of lupus, and that detection of such elevation does not differentiate between lupus activity and infection.
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